Patent 5757748: Automatic gain control apparatus for optical disc player
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : WITH SERVO POSITIONING OF TRANSDUCER ASSEMBLY OVER TRACK COMBINED WITH INFORMATION SIGNAL PROCESSING : Optical servo system : Initialization/start-up or changing modes of system : Servo loop gain/switching control : Means to mask or shield a portion of the beam)

Patent 5757799: High speed packet switch
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Centralized switching : Including a bus for interconnecting inputs and outputs : Subscribers connected to input or output circuit by a common bus)